linux-kernel - Re: PROBLEM: 5.8-rc7 no video output with nouveau on NV36 (regression)

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Message-ID: <CADyTPEytPcj6C6uDuHKAiKsWTLFYMuZvnYZoYQvdoggu7N+MQQ@mail.gmail.com>
Date:   Wed, 29 Jul 2020 01:30:28 -0400
From:   Nick Bowler <nbowler@...conx.ca>
To:     Dave Airlie <airlied@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        James Jones <jajones@...dia.com>,
        Ben Skeggs <bskeggs@...hat.com>
Subject: Re: PROBLEM: 5.8-rc7 no video output with nouveau on NV36 (regression)

On 2020-07-29, Dave Airlie <airlied@...il.com> wrote:
> On Wed, 29 Jul 2020 at 15:05, Nick Bowler <nbowler@...conx.ca> wrote:
>>
>> Hi,
>>
>> After installing Linux 5.8-rc7 I seem to get no video output on my
>> NV36 card once the nouveau module is loaded.  The display (connected
>> to the digital output) simply reports "No Signal".
>>
>> I bisected to the following commit, and reverting this commit on
>> top of 5.8-rc7 appears to correct the issue.
>
> Can you test the drm fixes pull I just sent to Linus
>
> https://patchwork.freedesktop.org/patch/381225/

Yes, pulling this seems to fix things.

Thanks,
  Nick